James Bottomley wrote: > On Thu, 2008-06-26 at 15:38 -0500, David Teigland wrote: >> On Wed, Mar 26, 2008 at 12:14:00PM +0530, Kamalesh Babulal wrote: >>> Hi Stephen, >>> >>> Kernel bug is hit while booting up the next-20080325 kernel with MPT >>> Fusion driver built in.This was reported previously for the >>> next-20080320 kernel >>> http://marc.info/?l=linux-next&m=120601013920868&w=2 >> Hi, did you ever get this fixed? I've been having the same problem, >> http://marc.info/?l=linux-scsi&m=121061780821823&w=4 >> still exists on 2.6.26-rc8 for me, >> >> Loading scsi_transport_spi.ko module >> Loading mptscsih.ko module >> Loading mptspi.ko module >> Fusion MPT SPI Host driver 3.04.06 >> ACPI: PCI Interrupt 0000:86:01.0[A] -> GSI 32 (level, low) -> IRQ 32 >> mptbase: ioc0: Initiating bringup >> ioc0: LSI53C1030 B2: Capabilities={Initiator,Target} >> mptbase: ioc0: PCI-MSI enabled > > I speculate that this might be related to the problem. The fusion > driver was recently flipped to default to MSI enable (previously it had > disabled them). Could you boot it with the fusion module parameter > > mpt_msi_enable=0 > > if it actually boots that will be a good confirmation that MSI is to > blame. > >> mptbase: ioc0: Initiating recovery > > This I suspect is because of a lost interrupt. > >> BUG: unable to handle kernel NULL pointer dereference at 0000000000000948 > > And this one looks to be a second bug: The MSI fault path is actually > causing this oops. > > James > Hi James, Kernel Bug is still reproducible with 2.6.26-rc9-git1 kernel, I tried booting with mpt_msi_enable=0 as boot paramenter, but the call trace remains the same oading mptbase.ko module[ 6.766853] Fusion MPT base driver 3.04.06 [ 6.783482] Copyright (c) 1999-2007 LSI Corporation Loading mptscsih.ko module Loading mptspi.ko module [ 6.813157] Fusion MPT SPI Host driver 3.04.06 [ 6.827369] ACPI: PCI Interrupt 0000:01:01.0[A] -> GSI 22 (level, low) -> IRQ 22 [ 6.850624] mptbase: ioc0: Initiating bringup [ 6.985601] ioc0: LSI53C1030 B2: Capabilities={Initiator} [ 7.002711] mptbase: ioc0: PCI-MSI enabled [ 17.193038] mptbase: ioc0: Initiating recovery [ 17.206490] mptbase: ioc0: WARNING - IOC is in FAULT state!!! [ 17.224489] mptbase: ioc0: WARNING - FAULT code = 8112h [ 22.243634] mptbase: ioc0: ERROR - Doorbell ACK timeout (count=4999), IntStatus=80000009! [ 39.507735] mptbase: ioc0: Recovered from IOC FAULT [ 39.595707] Clocksource tsc unstable (delta = 18747111256 ns) [ 39.624226] BUG: unable to handle kernel NULL pointer dereference at 00000528 [ 39.650488] IP: [<f881ccc3>] :mptspi:mptspi_dv_renegotiate_work+0xc/0xab [ 39.676987] *pde = 00000000 [ 39.685169] Oops: 0000 [#1] SMP [ 39.695127] Modules linked in: mptspi(+) mptscsih mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd [ 39.730967] [ 39.730967] Pid: 17, comm: events/2 Not tainted (2.6.26-rc9-git1-autokern1 #1) [ 39.730967] EIP: 0060:[<f881ccc3>] EFLAGS: 00010282 CPU: 2 [ 39.730967] EIP is at mptspi_dv_renegotiate_work+0xc/0xab [mptspi] [ 39.730967] EAX: f7a2c188 EBX: f7a2c18c ECX: f78a0500 EDX: 00000001 [ 39.730967] ESI: f7866c70 EDI: 00000528 EBP: f78a1f78 ESP: f78a1f58 [ 39.730967] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 39.730967] Process events/2 (pid: 17, ti=f78a1000 task=f78a0020 task.ti=f78a1000) [ 39.730967] Stack: 00000000 00000002 00000000 c043193d f78a1f90 f7a2c18c f7866c70 f7a2c188 [ 39.730967] f78a1fac c0431978 00000000 00000002 c043193d f881ccb7 f8820308 c091289c [ 39.730967] f881d86c 00000002 f7866c70 c04321dd f7866c98 f78a1fd0 c0432291 00000000 [ 39.730967] Call Trace: [ 39.730967] [<c043193d>] ? run_workqueue+0x80/0x186 [ 39.730967] [<c0431978>] ? run_workqueue+0xbb/0x186 [ 39.730967] [<c043193d>] ? run_workqueue+0x80/0x186 [ 39.730967] [<f881ccb7>] ? mptspi_dv_renegotiate_work+0x0/0xab [mptspi] [ 39.730967] [<c04321dd>] ? worker_thread+0x0/0xbf [ 39.730967] [<c0432291>] ? worker_thread+0xb4/0xbf [ 39.730967] [<c04346f9>] ? autoremove_wake_function+0x0/0x33 [ 39.730967] [<c0434638>] ? kthread+0x3b/0x63 [ 39.730967] [<c04345fd>] ? kthread+0x0/0x63 [ 39.730967] [<c0404613>] ? kernel_thread_helper+0x7/0x10 [ 39.730967] ======================= [ 39.730967] Code: ff 8b 87 8c 00 00 00 e8 bd 27 03 00 8b 87 8c 00 00 00 e8 74 f8 ff ff 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 57 56 53 83 ec 14 8b 78 20 <8b> 17 89 55 e0 e8 89 4c c5 c7 8b 55 e0 66 83 bf b2 02 00 00 00 [ 40.184778] EIP: [<f881ccc3>] mptspi_dv_renegotiate_work+0xc/0xab [mptspi] SS:ESP 0068:f78a1f58 [ 40.649493] ---[ end trace 8850b96835b44d26 ]--- [ 50.659034] mptbase: ioc0: Initiating recovery [ 50.672478] mptbase: ioc0: WARNING - IOC is in FAULT state!!! [ 50.690478] mptbase: ioc0: WARNING - FAULT code = 8112h [ 55.709559] mptbase: ioc0: ERROR - Doorbell ACK timeout (count=4999), IntStatus=80000009! [ 72.976560] mptbase: ioc0: Recovered from IOC FAULT 0xcc3 is in mptspi_dv_renegotiate_work (drivers/message/fusion/mptspi.c:1228). 1223 struct _MPT_SCSI_HOST *hd = wqw->hd; 1224 struct scsi_device *sdev; 1225 struct scsi_target *starget; 1226 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; 1227 u32 nego; 1228 MPT_ADAPTER *ioc = hd->ioc; 1229 1230 kfree(wqw); 1231 1232 if (hd->spi_pending) { -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
